var obExp;
			var obFlecha;
			//var clicked = false;
			//var data = new Array("PRIMER ENS VÀREN EXPLICAR LES NORMES ","two","three");

			function canvitext(clicked)
			{  
				if (clicked == true)
					{
						obExp.style.height = 6.5 + "cm";
						obExp.style.height = 8.5 + "cm";
						obExp.style.overflow = "auto";
						clicked = true;
					}
					else 
					{
						obExp.style.height = 0.85 + "cm";
						obExp.style.overflow = "hidden";
						clicked = false;
					
					}
				
			}
			function inici(){
				//inicialitzam
				document.images['fotogran'].fotovista= 185;
				obExp= document.getElementById('explicacio');
				obExp.style.color= "maroon";
				//obExp.innerHTML="prova";
				obFlecha= document.getElementById('flechaPlus');
				obFlecha.onclick = function(){canvitext(true);};
				obExp.onmouseover= function(){canvitext(true);};
				obExp.onmouseout= function(){canvitext(false);};
			}
			function mClick(i)  // Canvia la imatge de la foto gran per la 'i' de la colecció
			{
			//alert (i) ;

			document.images['fotogran'].src= "./images/Abelles - 2009 - son Ferriol -" +  i  +  ".jpg";
			document.images['fotogran'].fotovista= i;
			}
			function ChangeFoto(k)
			{	var fmin= 186;
				var fmax = 245;
				i=document.images['fotogran'].fotovista+k;
				//alert(i);
				if (i>fmax) {i= fmin}
				if (i<fmin) {i= fmax}
				
				mClick(i);
//				document.images['fotogran'].src= "./images/Abelles - 2009 - son Ferriol -" +  i  +  ".jpg";
//				document.images['fotogran'].fotovista= i;
			}